Blar i Bergen Open Research Archive på forfatter "Johnsen, Erik"
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Pilot-RCT Finds No Evidence for Modulation of Neuronal Networks of Auditory Hallucinations by Transcranial Direct Current Stimulation
Marquardt, Lynn Anne; Craven, Alexander R.; Hugdahl, Kenneth Jan; Johnsen, Erik; Kroken, Rune Andreas; Kusztrits, Isabella; Specht, Karsten; Thomassen, Anne Synnøve; Weber, Sarah; Hirnstein, Marco (Journal article; Peer reviewed, 2022-10-12)Background: Transcranial direct current stimulation (tDCS) is used as treatment for auditory verbal hallucinations (AVH). The theory behind the treatment is that tDCS increases activity in prefrontal cognitive control ... -
Quality of clinical management of cardiometabolic risk factors in patients with severe mental illness in a specialist mental health care setting
Ringen, Petter Andreas; Lund-Stenvold, Elisabeth Haug; Andreassen, Ole; Gaarden, Torfinn Lødøen; Hartberg, Cecilie Bhandari; Johnsen, Erik; Myklatun, Silje; Osnes, Kåre; Sørensen, Kirsten; Sørensen, Kjetil; Vaaler, Arne; Tonstad, Serena; Engh, John; Høye, Anne (Journal article; Peer reviewed, 2022)Purpose Cardiometabolic disease in patients with severe mental illness is a major cause of shortened life expectancy. There is sparse evidence of real-world clinical risk prevention practice. We investigated levels of ... -
The role of the primary auditory cortex in the neural mechanism of auditory verbal hallucinations
Kompus, Kristiina; Falkenberg, Liv Eggset; Bless, Josef J; Johnsen, Erik; Kroken, Rune; Kråkvik, Bodil; Larøi, Frank; Løberg, Else-Marie; Vedul-Kjelsås, Einar; Westerhausen, René; Hugdahl, Kenneth (Peer reviewed; Journal article, 2013-04-24)Auditory verbal hallucinations (AVHs) are a subjective experience of “hearing voices” in the absence of corresponding physical stimulation in the environment. The most remarkable feature of AVHs is their perceptual quality, ... -
Seroprevalence of SARS-CoV-2 antibodies in a prospective cohort of patients admitted to an acute psychiatric ward in Norway during the initial months of the COVID-19 pandemic
Kroken, Rune Andreas; Stabell, Lena Antonsen; Grewal, Harleen; Ulvestad, Elling; Landsnes, Andreas Johan; Johnsen, Erik (Journal article; Peer reviewed, 2023)Background The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that causes coronavirus disease 2019 (COVID-19) spread around the world during the first part of 2020. The purpose of the study was to assess ... -
The serum level of C-reactive protein (CRP) is associated with cognitive performance in acute phase psychosis
Johnsen, Erik; Fathian, Farivar; Kroken, Rune A; Steen, Vidar M; Jørgensen, Hugo A; Gjestad, Rolf; Løberg, Else-Marie (Peer reviewed; Journal article, 2016-03-14)Background Inflammatory processes have been implicated in the etiology of schizophrenia and related psychoses, in which cognitive deficits represent core symptoms. The aim of the present study was to investigate possible ... -
Systemic Cell Adhesion Molecules in Severe Mental Illness: Potential Role of Intercellular CAM-1 in Linking Peripheral and Neuroinflammation
Sheikh, Mashhood Ahmed; O'Connell, Kevin Sean; Lekva, Tove; Szabo, Attila; Akkouh, Ibrahim Ahmed; Osete, Jordi Requena; Agartz, Ingrid; Engh, John; Andreou, Dimitrios; Boye, Birgitte; Bøen, Erlend; Elvsåshagen, Torbjørn; Hope, Sigrun; Werner, Maren Caroline Frogner; Joa, Inge; Johnsen, Erik; Kroken, Rune Andreas; Lagerberg, Trine Vik; Melle, Ingrid; Drange, Ole Kristian; Morken, Gunnar; Nærland, Terje; Sørensen, Kjetil; Vaaler, Arne; Weibell, Melissa Anne Elin Authen; Westlye, Lars Tjelta; Aukrust, Pål; Djurovic, Srdjan; Steen, Nils Eiel; Andreassen, Ole; Ueland, Thor (Journal article; Peer reviewed, 2022)Background: Cell adhesion molecules (CAMs) orchestrate leukocyte trafficking and could link peripheral and neuroinflammation in patients with severe mental illness (SMI), by promoting inflammatory and immune-mediated ... -
Treatment of schizophrenia with antipsychotics in Norwegian emergency wards, a cross-sectional national study
Kroken, Rune A.; Johnsen, Erik; Ruud, Torleif; Wentzel-Larsen, Tore; Jørgensen, Hugo A. (Peer reviewed; Journal article, 2009-05-16)Background: Surveys on prescription patterns for antipsychotics in the Scandinavian public health system are scarce despite the prevalent use of these drugs. The clinical differences between antipsychotic drugs are mainly ... -
Turnover of IPS employment specialists: Rates and predictors
Butenko, Daniil; Rinaldi, Miles; Brinchmann, Beate; Killackey, Eoin; Johnsen, Erik; Mykletun, Arnstein (Journal article; Peer reviewed, 2022)Background: There are anecdotal reports of high job turnover of Individual Placement and Support employment specialists. However, no studies have addressed this issue. Objective: To explore whether turnover rates among ... -
Use of Benzodiazepines and Antipsychotic Drugs Are Inversely Associated with Acute Readmission Risk in Schizophrenia
Strømme, Maria Fagerbakke; Mellesdal, Liv Solrunn; Bartz-Johannessen, Christoffer; Kroken, Rune Andreas; Krogenes, Marianne Leiknes; Mehlum, Lars; Johnsen, Erik (Journal article; Peer reviewed, 2022)Purpose: Little is known about the impact of different psychotropic drugs on acute readmission risk, when used concomitantly in a real-life setting. We aimed to investigate the association between acute readmission risk ... -
White matter microstructural differences between hallucinating and non-hallucinating schizophrenia spectrum patients
Beresniewicz, Justyna; Craven, Alexander R.; Hugdahl, Kenneth; Løberg, Else-Marie; Kroken, Rune Andreas; Johnsen, Erik; Gruner, Eli Renate (Journal article; Peer reviewed, 2021)The relation between auditory verbal hallucinations (AVH) and white matter has been studied, but results are still inconsistent. This inconsistency may be related to having only a single time-point of AVH assessment in ...